// inline asm code used to generate the output.
void static inline Signal_OUT(const uint8_t *signal, uint8_t ad2, uint8_t ad1, uint8_t ad0)
{
    asm volatile(
        "eor r18, r18"                  // Clear R18 register.                                          Instruction takes 1 cycles.
        "eor r19, r19"                  // Clear R19 register.                                          Instruction takes 1 cycles.
        "1:"                            // Set Label 1:
        "add r18, %0"                   // means add (ad0) variable to r18.                             Instruction takes 1 cycles.
        "adc r19, %1"                   // means adc (ad1) variable to r19.                             Instruction takes 1 cycles.
        "adc %A3, %2"                   // means adc (ad2) variable to r30, %A3 means r30,              Instruction takes 1 cycles.
        "lpm"                           // Load program Memory to r0 from Z pointed location of Flash,  Instruction takes 3 cycles.
        "out %4, __tmp_reg__"           // Out writes from temp(r0) to PortA                            Instruction takes 1 cycles.
        "sbis %5, 2"                    // Skip if bit in I/O register is set.                          Instruction takes 1/2/3 cycles.
        "rjmp 1b"                       // relative jump to lable 1                                     Instruction takes 2 cycles.
        :
        :"r" (ad0),"r" (ad1),"r" (ad2),"e" (signal),"I" (_SFR_IO_ADDR(PORTA)), "I" (_SFR_IO_ADDR(SPCR))
        :"r18", "r19"
    );
}


// this is the sinus table used.
const uint8_t  sinewave[] __attribute__ ((section (".MySection1"))) = {
    0x80,0x83,0x86,0x89,0x8c,0x8f,0x92,0x95,0x98,0x9c,0x9f,0xa2,0xa5,0xa8,0xab,0xae,
    0xb0,0xb3,0xb6,0xb9,0xbc,0xbf,0xc1,0xc4,0xc7,0xc9,0xcc,0xce,0xd1,0xd3,0xd5,0xd8,
    0xda,0xdc,0xde,0xe0,0xe2,0xe4,0xe6,0xe8,0xea,0xec,0xed,0xef,0xf0,0xf2,0xf3,0xf5,
    0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfc,0xfd,0xfe,0xfe,0xff,0xff,0xff,0xff,0xff,
    0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfe,0xfd,0xfc,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,
    0xf6,0xf5,0xf3,0xf2,0xf0,0xef,0xed,0xec,0xea,0xe8,0xe6,0xe4,0xe2,0xe0,0xde,0xdc,
    0xda,0xd8,0xd5,0xd3,0xd1,0xce,0xcc,0xc9,0xc7,0xc4,0xc1,0xbf,0xbc,0xb9,0xb6,0xb3,
    0xb0,0xae,0xab,0xa8,0xa5,0xa2,0x9f,0x9c,0x98,0x95,0x92,0x8f,0x8c,0x89,0x86,0x83,
    0x80,0x7c,0x79,0x76,0x73,0x70,0x6d,0x6a,0x67,0x63,0x60,0x5d,0x5a,0x57,0x54,0x51,
    0x4f,0x4c,0x49,0x46,0x43,0x40,0x3e,0x3b,0x38,0x36,0x33,0x31,0x2e,0x2c,0x2a,0x27,
    0x25,0x23,0x21,0x1f,0x1d,0x1b,0x19,0x17,0x15,0x13,0x12,0x10,0x0f,0x0d,0x0c,0x0a,
    0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x03,0x02,0x01,0x01,0x00,0x00,0x00,0x00,0x00,
    0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x02,0x03,0x03,0x04,0x05,0x06,0x07,0x08,
    0x09,0x0a,0x0c,0x0d,0x0f,0x10,0x12,0x13,0x15,0x17,0x19,0x1b,0x1d,0x1f,0x21,0x23,
    0x25,0x27,0x2a,0x2c,0x2e,0x31,0x33,0x36,0x38,0x3b,0x3e,0x40,0x43,0x46,0x49,0x4c,
    0x4f,0x51,0x54,0x57,0x5a,0x5d,0x60,0x63,0x67,0x6a,0x6d,0x70,0x73,0x76,0x79,0x7c
};


//array of pointers to signal tables
const uint8_t *SIGNALS[] = {
    sinewave,
    ...
};


// the call to the inline function
Signal_OUT( SIGNALS[0], foo >> 16, foo >> 8, foo);